IDTQS32257 Integrated Device Technology, IDTQS32257 Datasheet

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IDTQS32257

Manufacturer Part Number
IDTQS32257
Description
Quickswitch Products High-speed Cmos Quickswitch Quad 2 Mux/demux
Manufacturer
Integrated Device Technology
Datasheet
FEATURES:
• Enhanced N channel FET with no inherent diode to Vcc
• 5     bidirectional switches connect inputs to outputs
• Pin compatible with the 74F257, 74FCT257, and 74FCT257T
• Zero propagation delay, zero ground bounce
• Undershoot clamp diodes on all switch and control inputs
• 25     resistors for low noise
• TTL-compatible control inputs
• Available in QSOP and S1 packages
APPLICATIONS:
• Logic replacement (data processing)
• Video, audio, graphics switching, muxing
• Hot-swapping, hot-docking
• Voltage translation (5V to 3.3V)
• Bus funneling
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
IDTQS32257
HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
c
FUNCTIONAL BLOCK DIAGRAM
2004 Integrated Device Technology, Inc.
S
E
Y
Y
Y
Y
A
B
C
D
QUICKSWITCH
HIGH-SPEED CMOS
QUICKSWITCH
QUAD 2:MUX/DEMUX
1
®
DESCRIPTION:
multiplexer/demultiplexer. The QS32257 is a function and pinout compatible
QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257
Quad 2:1 multiplexers. The QS32257 has 25series resistors to reduce
ground noise.
equivalent logic devices.
The QS32257 is a high-speed CMOS LVTTL-compatible Quad 2:1
Mux/Demux devices provide an order of magnitude faster speed than
PRODUCTS
The QS32257 is characterized for operation at -40°C to +85°C.
INDUSTRIAL TEMPERATURE RANGE
I
I
I
I
I
I
I
I
0A
1A
0B
1B
0C
1C
0D
1D
J A N U A R Y 2 0 0 4
IDTQS32257
DSC-5750/4

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IDTQS32257 Summary of contents

Page 1

... QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257 Quad 2:1 multiplexers. The QS32257 has 25series resistors to reduce ground noise. Mux/Demux devices provide an order of magnitude faster speed than equivalent logic devices. The QS32257 is characterized for operation at -40°C to +85°C. 1 INDUSTRIAL TEMPERATURE RANGE IDTQS32257 ...

Page 2

... IDTQS32257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX PIN CONFIGURATION GND 8 QSOP/ S1 TOP VIEW ABSOLUTE MAXIMUM RATINGS Symbol (2) V Supply Voltage to Ground TERM ( Switch Voltage Vs TERM ( Input Voltage V TERM Input Voltage (pulse width  20ns) ...

Page 3

... IDTQS32257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial –40°C to +85° 5.0V ± Symbol Parameter V Input HIGH Level IH V Input LOW Level IL I Input LeakageCurrent (Control Inputs Off-State Output Current (Hi-Z) ...

Page 4

... IDTQS32257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX POWER SUPPLY CHARACTERISTICS Symbol Parameter I Quiescent Power Supply Current CCQ Power Supply Current per Control Input HIGH  Dynamic Power Supply Current per MHz CCD NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. ...

Page 5

... IDTQS32257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX ORDERING INFORMATION XX IDTQS XXXXX Package Device Type As per PCN L0201-02, the Output Resistance (R Parameter Description Min 0V Min 2.4V CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 Q Quarter Size Outline Package ...

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